12x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 19.75) - 3 Pack w14h14 + Product Details Size -

+ Product Details Size - 16"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 8"w X 24"h is the size for the duct opening measurement only

The total outer size of this grille is the listed size plus 3"

360-Degree Airflow: Experience optimal air circulation like never before

All Our Filter Are Tested Per ASHRAE-52

12x20x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 11.75 x 19.75) - 3 Pack w14h14 + Product Details Size -+ Product Details 12" x 20" x 1" replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 11. 75" x 19. 75") A unique combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system. The non pleated design provides low airflow resistance while still effectively capturing dirt and particles such as standing dust, spray paint